 |  |  | |
| PartNumber | DS1218+ | DS1218S+ | DS1218B2 |
| Description | Memory Controllers Nonvolatile Controller | Memory Controllers Nonvolatile Controller | 1218B2 |
| Manufacturer | Maxim Integrated | Maxim Integrated | - |
| Product Category | Memory Controllers | Memory Controllers | - |
| RoHS | Y | Y | - |
| Memory Type | Nonvolatile RAM - NVRAM | Nonvolatile RAM - NVRAM | - |
| Battery Backup Switching | Yes | Yes | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Operating Supply Current | 2 mA | 2 mA | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Mounting Style | Through Hole | SMD/SMT | - |
| Package / Case | PDIP-8 | SO-8 | - |
| Packaging | Tube | Tube | - |
| Description/Function | Converting CMOS RAM into nonvolatile memory | Converting CMOS RAM into nonvolatile memory | - |
| Height | 3.18 mm | 1.35 mm | - |
| Length | 8.84 mm | 4.8 mm | - |
| Series | DS1218 | DS1218S | - |
| Type | Non-Volatile RAM (NVRAM) | Non-Volatile RAM (NVRAM) | - |
| Width | 6.1 mm | 3.8 mm | - |
| Brand | Maxim Integrated | Maxim Integrated | - |
| Lithium Battery Monitor | No | No | - |
| Number of Memory Channels | 1 | 1 | - |
| Operating Supply Voltage | 5 V | 5 V | - |
| Product Type | Memory Controllers | Memory Controllers | - |
| Factory Pack Quantity | 50 | 100 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Part # Aliases | 90-1218D+000 DS1218 | 90-1218S+000 DS1218S | - |
| Unit Weight | 0.032805 oz | 0.017870 oz | - |